PIC16F946T-I/PT Microchip Technology, PIC16F946T-I/PT Datasheet - Page 34

• Manufacturer Part Number: PIC16F946T-I/PT
• Description: Microcontroller
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F946T-I/PT

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 14KB (8K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 336 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TFQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: MA160011 - DAUGHTER BOARD PICDEM LCD 16F91X
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

PIC16F946
3.1.1.4
Figure 3-4 shows the diagram for this pin. The
RA3/AN3/C1+/V
configurable to function as one of the following:
• a general purpose input
• an analog input for the A/D
• a voltage reference input for the A/D
• analog outputs for the LCD
FIGURE 3-4:
DS41265A-page 32
RA3/AN3/C1+/V
REF
WR PORTA
WR TRISA
Data Bus
+/COM3/SEG15
BLOCK DIAGRAM OF RA3/AN3/C1+/V
SEG15
To A/D Module V
REF
TRIS Latch
D
D
Data Latch
CK
CK
+/SEG15
RD TRISA
RD PORTA
Q
Q
Q
Q
Q
Q
pin
REF
Preliminary
+ Input
is
SE15 and LCDEN
SE15 and LCDEN
REF
+/SEG15
SE15 and LCDEN
Analog Input or
Input Buffer
TTL
V
V
© 2005 Microchip Technology Inc.
DD
SS
I/O Pin